Audi S4 Tyre & Wheel Specifications Overview
The Audi S4 blends performance and daily usability, meaning correct tyre and wheel setup is critical for handling, comfort, and safety. Below is a complete breakdown of factory specifications across all modern generations.
Audi S4 Generations Covered
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B8 S4 (2009–2016)
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B9 S4 (2017–2024)
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B9.5 S4 Facelift (2020–2025)
Tyre Sizes & Factory Wheel Specs
Audi S4 B8 (2009–2016)
Factory Tyre Sizes:
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245/40R18 (Base)
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255/35R19 (Optional)
Wheel Specs:
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18x8.0 ET47
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19x8.5 ET43
Audi S4 B9 (2017–2024)
Factory Tyre Sizes:
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245/40R18 (Base)
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255/35R19 (Most common)
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265/30R20 (Optional performance package)
Wheel Specs:
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18x8.0 ET40
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19x8.5 ET40
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20x9.0 ET40
Audi S4 B9.5 Facelift (2020–2025)
Factory Tyre Sizes:
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245/40R18
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255/35R19
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265/30R20
Wheel Specs:
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18x8.0 ET40
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19x8.5 ET40
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20x9.0 ET40
Core Fitment Data (All Audi S4 Models)
| Specification | Detail |
|---|---|
| PCD (Bolt Pattern) | 5x112 |
| Centre Bore | 66.6 mm |
| Wheel Bolt Thread | M14 x 1.5 |
| Seat Type | Ball Seat (OEM) |
| Torque Setting | 120 Nm |
Important Fitment Notes
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Audi uses ball seat wheel bolts, not tapered — incorrect hardware can cause vibration or damage
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Always ensure centre bore is 66.6 mm or use hub-centric rings
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Quattro systems benefit from matched tyre rolling diameters — avoid uneven wear setups
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For 20-inch upgrades, ensure correct load rating and sidewall strength
Recommended Tyres for Audi S4
At Autosport Tyreworld, we recommend the following tyres for Audi S4 depending on driving style:
Performance Street
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Continental MaxContact MC7
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Michelin Pilot Sport 5
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Pirelli P Zero
Comfort & Daily Driving
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Continental PremiumContact C
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Michelin Primacy 4
High Performance / Track
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Michelin Pilot Sport 4S
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Yokohama AD09
Popular Upgrade Fitments
| Wheel Size | Tyre Size | Notes |
|---|---|---|
| 19x8.5 | 255/35R19 | OEM+ upgrade |
| 20x9.0 | 265/30R20 | Aggressive factory+ |
| 20x9.5 | 265/30R20 | Flush fitment |
Why Correct Fitment Matters
Incorrect tyre or wheel specifications can result in:
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ABS / traction control errors
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Premature tyre wear
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Poor handling performance
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Increased fuel consumption
Choosing the right setup ensures your Audi S4 performs exactly as engineered.
Professional Tyre & Wheel Services in Adelaide
Visit Autosport Tyreworld for expert advice, premium tyres, and precision fitting:
Magill
647 Magill Road, Magill SA 5072
PH: 0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
PH: 0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
PH: 0420 299 911